EP0865319B1 - Vorrichtung zum abscheiden von leichtstoffen aus sand und kies - Google Patents
Vorrichtung zum abscheiden von leichtstoffen aus sand und kies Download PDFInfo
- Publication number
- EP0865319B1 EP0865319B1 EP96945701A EP96945701A EP0865319B1 EP 0865319 B1 EP0865319 B1 EP 0865319B1 EP 96945701 A EP96945701 A EP 96945701A EP 96945701 A EP96945701 A EP 96945701A EP 0865319 B1 EP0865319 B1 EP 0865319B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- overflow
- disposed
- inner chamber
- feed
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
Definitions
- the invention relates to a device for separating Light materials from mineral raw materials, especially from Sand and gravel, with a loading arrangement for the Raw material feed, one of the separation of the coarse sand serving inner chamber as coarse sand room and with an over an overflow designed as an inclined surface to the Coarse sand room connected, sorting the fine sand according to the fluidized bed outer chamber as Fine sand room and one associated with the outer chamber Overflow for the light materials, the task arrangement one centered over one in the inner chamber arranged and leaving an outer annular gap Impact body ending feed tube includes.
- a generic device is in EP 0 508 335 A2 described; with the configuration described known device the pretreatment of the Avoid raw material feed so that an immediate Feeding of extraction or pre-screening coming raw material in the separator is possible.
- large amounts of water can occur adversely affect the task, since such large Water volumes heavily load the coarse sand area and either too coarse material in the fine sand room transport or also fine sand shares over the Take the fine sand room with you into the light material overflow.
- the invention is therefore based on the object Device with the generic features in this way improve that with the material feed, even suddenly, larger amounts of water entering the separator are manageable without the separation success of the device is impaired.
- Feed pipe an eccentrically arranged inlet to the tangential flushing of the raw material task and at its the end facing away from the impact body has an overflow channel and a the space between the end of the feed tube and the impact body bridging and in the pipe axis adjustable perforated basket for setting the Flow resistance is arranged, depending from the one set via the position of the perforated basket Separation cut of the overflow of the feed arrangement Overflow channel with the fine sand room or alternatively with the Material overflow is connected.
- the grain size the one that gets into the overflow channel with the excess water Solid particle is over the additionally between the end the feed tube and the impact body arranged perforated basket adjustable, with the help of which the flow resistance for the raw material entry as a measure for the separation cut of the cyclone-like inlet defining back pressure is adjustable.
- the overflow channel either be connected to the fine sand area, with which the The advantage is that a good application with a partial relief of the coarse sand area from the Fine sand is applied, or the overflow channel can be directly connected to the light material overflow, so the excess water including the mud-like Fine components relieving both the coarse sand and the fine sand area is also derived directly.
- the overflow channel connected to the fine sand room is according to an embodiment of the invention provided that the overflow channel to the coarse sand space facing end of the inclined overflow surface between Inner chamber and outer chamber is connected.
- the ends of the individual plates each an equal distance from Have trough surface and the opposite ends of the Plates arranged in a horizontal plane and by one spaced enclosures are enclosed.
- the separator consists of a cylindrical inner chamber 10 with a feed arrangement 11.
- the inner chamber 10 has one at its lower end tapered withdrawal area 12 with a controllable deduction 13, which via a mechanism 14 too is press; as not shown, are on the outside Circumference of the inner chamber 10 feed lines for the supply of Arranged underwater.
- the inner chamber 10 with a ring surrounding it at a distance is one
- the outer chamber 23 is arranged, the inner wall 24 of which Surrounds outer wall 20 of the inner chamber 10 at a distance.
- Outer chamber 23 This distance between the inner chamber 10 and outer chamber 23 is bridged by an overflow called as Outer chamber 23 formed inclined overflow surface 26 is.
- a nozzle base 27 is arranged in the outer chamber 23, the individual in a manner not shown Segments, with each individual segment of the Nozzle base 27 a via a mechanism 29 or associated electronics controlled discharge member 30.
- the outer chamber 23 with an inlet 31 for the provide the required underwater.
- At the top of the Outer chamber 23 includes an overflow 32 with trigger 33 for the Overflow water and the washed out light substances.
- the task arrangement 11 consists of a centrically above the Inner chamber 10 arranged feed tube 15, which is longitudinally displaceable. Inside the Feed tube 15 is in the illustrated Embodiment arranged a feed pipe 16, which an inlet arranged eccentrically to its central axis 17 for tangential flushing of the raw material feed having.
- the separation grain size in the Feeder 11 set at about 0.5 mm what at the same time the grain size between the coarse sands and corresponds to the fine sands, so the excess water with fine sand components to the pipe socket 43; of the The rest of the raw material feed passes through the feed pipe 16 on the impact body 19 and spread over this until it arrives in the annular gap 21, where there depending on the set flow rate a Grain size separation of the raw material feed at a Grain size between 2 mm and about 0.5 mm results.
- the coarse sands with a grain size of more than 0.5 mm sink into the discharge area 12 of the inner chamber 10 as Coarse sand area and are deducted 13 in regulated form.
Description
- Fig. 1:
- Eine Abscheidevorrichtung im Schnitt,
- Fig. 2:
- eine andere Ausführungsform der Abscheidevorrichtung gemäß Figur 1,
- Fig. 3:
- eine weitere Ausführung der Abscheidevorrichtung gemäß Figur 1 mit Überlaufsedimentation.
Claims (5)
- Vorrichtung zum Abscheiden von Leichtstoffen aus mineralischen Rohstoffen, insbesondere aus Sand und Kies, mit einer Aufgabeanordnung für die Rohmaterialaufgabe, einer der Abtrennung des groben Sandes dienenden Innenkammer als Grobsandraum und mit einer über einen als geneigte Fläche ausgebildeten Überlauf an den Grobsandraum angeschlossenen, der Sortierung des Feinsandes nach dem Wirbelschichtverfahren dienenden Außenkammer als Feinsandraum sowie mit einem der Außenkammer zugeordneten Überlauf für die Leichtstoffe, wobei die Aufgabeanordnung ein zentrisch über einem in der Innenkammer zentrisch angeordneten und einen äußeren Ringspalt freilassenden Prallkörper endendes Aufgaberohr umfaßt, dadurch gekennzeichnet, daß das Aufgaberohr (15) einen exzentrisch angeordneten Einlauf (17) zum tangentialen Einspülen der Rohmaterialaufgabe und an seinem dem Prallkörper (19) abgewandten Ende eine Überlaufrinne (42) aufweist und ein den Zwischenraum zwischen dem Ende des Aufgaberohres (15) und dem Prallkörper (19) überbrückender und in der Rohrachse verstellbarer Lochkorb (55) zur Einstellung des Strömungswiderstandes angeordnet ist wobei in Abhängigkeit von der über die Stellung des Lochkorbes (55) eingestellten Trennschärfe des Überlaufes der Aufgabeanordnung (11) die Überlaufrinne (42) mit dem Feinsandraum (23) oder alternativ mit dem Leichtstoffüberlauf (32) verbunden ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Überlaufrinne (42) an das dem Grobsandraum (10) zugewandte Ende der geneigten Überlauffläche (26) zwischen Innenkammer (10) und Außenkammer (23) angeschlossen ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß zwischen der Überlaufrinne (42) der Aufgabeanordnung (11) und der zwischen Innenkammer (10) und Außenkammer (23) befindlichen geneigten Überlauffläche (26) ein Sedimentationsbereich mit einer an die Überlaufrinne (42) anschließenden, in Richtung auf die Überlauffläche (26) abwärts geneigten Trogfläche (46) sowie mit einer Mehrzahl von schräg zur Trogfläche (46) und im wesentlichen quer zur Fließrichtung des Überlaufes parallel zueinander angeordneten Platten (47) angeordnet ist, wobei die in Fließrichtung des Überlaufes letzte Platte als Überlauf (50) mit Anschluß an den Leichtstoffüberlauf (32) ausgebildet ist.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die der Trogfläche (46) zugewandten Enden der einzelnen Platten (47) jeweils einen gleichen Abstand zur Trogfläche (46) aufweisen und die entgegengesetzten Enden der Platten (47) in einer horizontalen Ebene angeordnet und von einem davon beabstandeten Gehäuse (52) umschlossen sind.
- Vorrichtung nach Anspruch 3 oder 4, wobei Feinsandraum und Leichtstoffüberlauf den zentral angeordneten Grobsandraum mit Aufgabeanordnung ringartig umgeben, dadurch gekennzeichnet, daß Überlaufrinne (42) und Sedimentationsbereich mit Trogfläche (46) kreisförmig angeordnet und die Platten (47) in radialer Stellung und kreisförmigem Verlauf angeordnet sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19540644A DE19540644C1 (de) | 1995-11-02 | 1995-11-02 | Vorrichtung zum Abscheiden von Leichtstoffen aus mineralischen Rohstoffen |
DE19540644 | 1995-11-02 | ||
PCT/DE1996/002081 WO1997016253A2 (de) | 1995-11-02 | 1996-10-29 | Vorrichtung zum abscheiden von leichtstoffen aus sand und kies |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0865319A2 EP0865319A2 (de) | 1998-09-23 |
EP0865319B1 true EP0865319B1 (de) | 1999-08-18 |
Family
ID=7776326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96945701A Expired - Lifetime EP0865319B1 (de) | 1995-11-02 | 1996-10-29 | Vorrichtung zum abscheiden von leichtstoffen aus sand und kies |
Country Status (9)
Country | Link |
---|---|
US (1) | US6036028A (de) |
EP (1) | EP0865319B1 (de) |
AT (1) | ATE183410T1 (de) |
AU (1) | AU701460B2 (de) |
BR (1) | BR9611297A (de) |
DE (2) | DE19540644C1 (de) |
PL (1) | PL182389B1 (de) |
WO (1) | WO1997016253A2 (de) |
ZA (1) | ZA969207B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6758343B1 (en) * | 1999-06-02 | 2004-07-06 | Weir Slurry Group, Inc. | Dual hydro-cyclone with water injection |
US6752274B2 (en) | 2002-02-15 | 2004-06-22 | David Mirras | Log washer with staggered paddles |
US6889842B2 (en) | 2002-03-26 | 2005-05-10 | Lewis M. Carter Manufacturing Co. | Apparatus and method for dry beneficiation of coal |
DE102006013627B4 (de) * | 2006-03-22 | 2009-07-30 | Bernhard Brameier | Siebvorrichtung und System zur Aufbereitung von Sand |
DK176211B1 (da) * | 2006-03-24 | 2007-02-05 | Smidth As F L | Cyklonseparator |
DE102009033476A1 (de) * | 2009-07-17 | 2011-01-27 | Lösel, Kai | Verfahren zur Gewinnung von Schwergutfeinpartikeln aus einem Sandaustrag einer Nassklassiereinrichtung und Vorrichtung dazu |
CN101850293B (zh) * | 2010-04-23 | 2013-02-13 | 中国矿业大学 | 脱泥型液固流化床粗煤泥分选分级装置 |
CN106513161B (zh) * | 2016-11-03 | 2018-11-16 | 中国矿业大学(北京) | 一种内置倾斜板的变径分选流化床 |
CN109317318A (zh) * | 2018-10-11 | 2019-02-12 | 山西汇永青峰选煤工程技术有限公司 | 一种高密度分选重介旋流器 |
CN111921461A (zh) * | 2020-07-06 | 2020-11-13 | 安徽凤砂矿业集团有限公司 | 一种流化床 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3061098A (en) * | 1960-07-18 | 1962-10-30 | Beloit Iron Works | Centrifugal classifier and stock cleaner |
FR84643E (fr) * | 1962-12-07 | 1965-03-19 | Grenobloise Etude Appl | Procédé et appareil pour le triage de deux ou plusieurs matériaux |
AT244885B (de) * | 1964-02-21 | 1966-01-25 | Hubert Dipl Kfm Dr Heigl | Eindick- und Klassiervorrichtung |
US3905894A (en) * | 1973-10-02 | 1975-09-16 | Murskauskone Oy | Apparatus for wet fine screening |
SU645704A1 (ru) * | 1977-03-09 | 1979-02-05 | Ленинградский Институт Водного Транспорта | Гидравлический классификатор |
CH629119A5 (de) * | 1978-07-14 | 1982-04-15 | Foerderung Forschung Gmbh | Vorrichtung zum trennen von gemengen aus feststoffteilchen verschiedener dichte. |
US4352732A (en) * | 1980-01-23 | 1982-10-05 | Kelsey-Hayes Co. | Flotation system |
DE3427395A1 (de) * | 1984-07-25 | 1986-02-06 | Werner Prof. Dr.-Ing. 2150 Buxtehude Bauer | Verfahren zur abscheidung von verunreinigungen aus problemschlaemmen und vorrichtung zur durchfuehrung dieses verfahrens |
DE3432739A1 (de) * | 1984-09-06 | 1986-03-13 | Adam Opel AG, 6090 Rüsselsheim | Kraftfahrzeug |
CA1315703C (en) * | 1989-09-29 | 1993-04-06 | Robert Cyr | Apparatus for the decantation treatment of liquid containing therein suspended material |
GB2238493B (en) * | 1989-11-28 | 1993-05-26 | Orkney Water Test Centre Limit | A method of regulating the overflow from a cyclone,hydrocyclone or similar device |
EP0508335B1 (de) * | 1991-04-09 | 1998-07-08 | Allmineral Aufbereitungstechnik Gmbh & Co. Kg | Vorrichtung zum Abscheiden von Leichtstoffen aus Sand und Kies |
IT1255075B (it) * | 1992-04-01 | 1995-10-18 | Sorema Srl | Apparecchio per la separazione di materiale di varia natura di piccola pezzatura o in foglie |
-
1995
- 1995-11-02 DE DE19540644A patent/DE19540644C1/de not_active Expired - Lifetime
-
1996
- 1996-10-29 AT AT96945701T patent/ATE183410T1/de not_active IP Right Cessation
- 1996-10-29 US US09/068,216 patent/US6036028A/en not_active Expired - Fee Related
- 1996-10-29 AU AU17653/97A patent/AU701460B2/en not_active Ceased
- 1996-10-29 BR BR9611297-2A patent/BR9611297A/pt not_active Application Discontinuation
- 1996-10-29 WO PCT/DE1996/002081 patent/WO1997016253A2/de active IP Right Grant
- 1996-10-29 DE DE59602823T patent/DE59602823D1/de not_active Expired - Lifetime
- 1996-10-29 PL PL96326488A patent/PL182389B1/pl unknown
- 1996-10-29 EP EP96945701A patent/EP0865319B1/de not_active Expired - Lifetime
- 1996-11-02 ZA ZA969207A patent/ZA969207B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US6036028A (en) | 2000-03-14 |
DE59602823D1 (de) | 1999-09-23 |
BR9611297A (pt) | 2000-01-18 |
DE19540644C1 (de) | 1997-04-03 |
WO1997016253A2 (de) | 1997-05-09 |
EP0865319A2 (de) | 1998-09-23 |
ZA969207B (en) | 1997-06-03 |
AU1765397A (en) | 1997-05-22 |
PL326488A1 (en) | 1998-09-28 |
PL182389B1 (pl) | 2001-12-31 |
ATE183410T1 (de) | 1999-09-15 |
WO1997016253A3 (de) | 1997-07-03 |
AU701460B2 (en) | 1999-01-28 |
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